[PATCH] perf target: Fix check on buffer size

[Namhyung Kim]

From: Namhyung Kim <namhyung.kim@xxxxxxx>

It was a mistake just replace assert to BUG_ON since its condition
should be negated. Fix it.

Cc: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Cc: Ulrich Drepper <drepper@xxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/util/target.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c
index 3f59c496e64c..051eaa68095e 100644
--- a/tools/perf/util/target.c
+++ b/tools/perf/util/target.c
@@ -110,7 +110,7 @@ int perf_target__strerror(struct perf_target *target, int errnum,
 	int idx;
 	const char *msg;
 
-	BUG_ON(buflen > 0);
+	BUG_ON(buflen == 0);
 
 	if (errnum >= 0) {
 		const char *err = strerror_r(errnum, buf, buflen);
-- 
1.7.10.4

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